Experiment: 2ICY

Crystal Structure of a Putative UDP-glucose Pyrophosphorylase from Arabidopsis Thaliana with Bound UDP-glucose

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1Z90	pdb entry 1Z90

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	vapor diffusion, hanging drop with micro-seeding		273	Protein solution (10 mg/ml protein, 0.050 M sodium chloride, 0.0003 M TCEP, 0.005 M Tris PH 8.0) mixed in a 1:1 ratio with Well solution ( 28 % PEG 2K, 5% DMSO, 0.10 M MES/Acetate pH 5.5), crystals soaked in well solution supplemented with 0.002 M UDP-glucose, vapor diffusion, hanging drop with micro-seeding, temperature 273K

Crystal Properties
Matthews coefficient	Solvent content
2.39	48.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 188.008	α = 90
b = 59.712	β = 100.32
c = 89.762	γ = 90

Symmetry
Space Group	C 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MARMOSAIC 300 mm CCD	HORIZONTAL SAGITALLY FOCUSING 2ND BENT MONOCHROMATOR CRYSTAL, VERTICAL BENT FOCUSING MIRROR	2005-10-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	0.97911	APS	22-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.64	38.25	98.8	0.042	20.7	4.3	118994	118994			23

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.64	1.68	83.1		0.295	3.894	3.3	6594

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	pdb entry 1Z90	1.64	38.25	119685	118994	5964	99.4	0.183	0.1755	0.223	0.2182	random	25.74

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
-1.04		-0.6	2.32		-1.27

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	24.8
c_angle_deg	2
c_improper_angle_d	1.3
c_bond_d	0.019

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7152
Nucleic Acid Atoms
Solvent Atoms	848
Heterogen Atoms	76

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing
CNS	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction